Related Questions

The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
A 100 km
B 150 km
C 175 kg
D 125 kg
Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?
A 20 kg
B 30 kg
C 35 kg
D 40 kg
Fresh grapes contain 90% water by weight while dried grapes contain 20% water by weight. What is the weight of dry grapes available from 20 kg of fresh grapes?
A 2 kg
B 2.4 kg
C 2.5 kg
D None of these
Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of the dry grapes is 250 kg what is total weight when it was fresh? 
A 1000 kg
B 1100 kg
C 1125 kg
D 1225 kg
As compared to fresh river water, sea water contains oxygen
A 10% less
B 20% less
C 10% more
D 20% more
__________ is the separation technique used for desalination of sea water.
A Thermal diffusion
B Reverse osmosis
C Adsorption
D Absorption
A stretch of sea water, partly or fully separated by a narrow strip from the main sea is called
A Bay
B Isthmus
C Lagoon
D Strait
The separation of liquid droplets from the vapor is done by a/an __________ , in the evaporators.
A Steam ejector
B Entrainment separator
C Compressor
D Vacuum pump
Separation of isotopes is generally done using a/an __________ centrifuge.
A Ultra
B Disk-bowl
C Both A & B
D Neither A nor B
"They're all gone now, and ther isn't anything more the sea can do to me."? In J.M. Synge's play 'Riders to the Sea' these heart-breaking words are uttered by-
A Cathleen
B Nora
C Maurya
D Bartley

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